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38996789137 is a prime number
BaseRepresentation
bin100100010100011000…
…111100011110010001
310201122202100010220121
4210110120330132101
51114331134223022
625525340310241
72550243144535
oct442430743621
9121582303817
1038996789137
11155a1741959
127683b42381
1338a628ca77
141c5d265bc5
1510338be2c7
hex91463c791

38996789137 has 2 divisors, whose sum is σ = 38996789138. Its totient is φ = 38996789136.

The previous prime is 38996789119. The next prime is 38996789173. The reversal of 38996789137 is 73198769983.

Together with next prime (38996789173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38807424016 + 189365121 = 196996^2 + 13761^2 .

It is a cyclic number.

It is not a de Polignac number, because 38996789137 - 219 = 38996264849 is a prime.

It is not a weakly prime, because it can be changed into another prime (38996786137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19498394568 + 19498394569.

It is an arithmetic number, because the mean of its divisors is an integer number (19498394569).

Almost surely, 238996789137 is an apocalyptic number.

It is an amenable number.

38996789137 is a deficient number, since it is larger than the sum of its proper divisors (1).

38996789137 is an equidigital number, since it uses as much as digits as its factorization.

38996789137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 123451776, while the sum is 70.

The spelling of 38996789137 in words is "thirty-eight billion, nine hundred ninety-six million, seven hundred eighty-nine thousand, one hundred thirty-seven".